fob

Etymology 1

From German Low German Fobke (“pocket”) or German [Term?] (East Prussian dialect) Fuppe (“pocket”).

noun

1. A little pocket near the waistline of a pair of trousers or in a waistcoat or vest to hold money or valuables, especially a pocket watch.
   With a saint at his chin and a seal at his fob. 1711, Jonathan Swift, Windsor Prophecy
   As soon as they had confined my arms they left me, and remembering the bank-notes which I had in my fob, I began to fear they had come to the knowledge of this circumstance […]. 1792, Thomas Holcroft, Anna St. Ives, volume VII, Fragment
2. A short chain or ribbon to connect such a pocket to the watch.
3. (see usage notes) A small ornament attached to such a chain.
4. A hand-held remote control device used to lock/unlock motor cars etc.

Etymology 2

German foppen (“to mock”).

verb

1. (transitive, archaic) To cheat, to deceive, to trick, to take in, to impose upon someone.
2. (transitive, archaic) To beat; to maul.

Etymology 3

Abbreviation.

adj

1. (Incoterm) Alternative letter-case form of FOB (“free on board”)